tun_fops 3488 drivers/net/tun.c static const struct file_operations tun_fops = { tun_fops 3510 drivers/net/tun.c .fops = &tun_fops, tun_fops 3724 drivers/net/tun.c if (file->f_op != &tun_fops) tun_fops 3737 drivers/net/tun.c if (file->f_op != &tun_fops)